Temat: output characteristics - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Output characteristics of step-down (Buck) power converter
Autorzy:: Janke, W.
Bączek, M.
Walczak, M.
Powiązania:: https://bibliotekanauki.pl/articles/201669.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: DC-DC converters
output characteristics
load transients
Opis:: The output characteristics of switched-mode dc-dc buck power converter are discussed. The shape of output characteristics is especially important for converters used for supplying modern processors. An output impedance is usually used for description of output characteristics. Many efforts are described in the literature to obtain the satisfastory features of closed-loop output impedance. Another approach, presented in the paper, is based on the concept of the output voltage response corresponding to the load conductance change, and is expressed by hr transmittance. Simulations of output characteristics of the buck converter in frequency and in time-domain have been performed for the ideal case as well as for a more realistic situation, with the parasitic resistances of converter elements included. The measurement results differ substantially from characteristics calculated for an ideal converter and are in good consistency with simulations including parasitics.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 4; 751-755
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: MATLAB modelling of double sided photovoltaic cell module
Autorzy:: Zhen, Yan
Zuyu, Wu
Ninghui, Zhu
Ligen, Yuan
Yu, Chen Jing
Powiązania:: https://bibliotekanauki.pl/articles/1955976.pdf
Data publikacji:: 2021
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: double sided photovoltaic module
back irradiance
modelling
output characteristics
MPPT
Opis:: In this paper, the equatorial coordinate system is taken as the celestial coordinates, the double-sided photovoltaic module irradiance model is established by using the MATLAB simulation software, and the double-sided photovoltaic module irradiance model is combined with the photovoltaic module model (Jianhui (2001)) to form the mathematical model of the real-time generation system of double-sided photovoltaic modules. The effectiveness of the simulation model was verified by building an experimental platform, and the output characteristics of the optimal line spacing between the double-sided p-v module and the single-sided p-v module were further tested and compared.
Źródło:: Power Electronics and Drives; 2021, 6, 41; 12-25
2451-0262
2543-4292
Pojawia się w:: Power Electronics and Drives
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Influence of output conductance on characteristic frequencies of switch mode BUCK and BOOST converter
Autorzy:: Janke, W.
Walczak, M.
Powiązania:: https://bibliotekanauki.pl/articles/140387.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: pulse converters
BUCK
BOOST
small-signal models
control-to-output
characteristics
DCM boundary
characteristic frequencies
Opis:: Characteristic frequencies corresponding to poles and zeros of small-signal control-to-output transfer functions of popular DC-DC converters (BUCK and BOOST) are analyzed. The main attention is paid to influence of load conductance on the characteristic frequencies for converters working in continuous conduction mode (CCM) as well as in discontinuous conduction mode (DCM). Parasitic resistances of all converter components are included in calculations. In addition the improved description of CCMDCM boundary is presented. The calculations are verified experimentally and good consistency of the results is observed.
Źródło:: Archives of Electrical Engineering; 2017, 66, 1; 165-178
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Thermodynamic analysis and analytical simulation of the Rallis modified Stirling cycle
Autorzy:: Ranjan, Ravi Kant
Verma, Suresh Kant
Powiązania:: https://bibliotekanauki.pl/articles/240284.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: rallis modified Stirling cycle engine
nonisothermal characteristics
power output
thermal efficiency
charakterystyki nieizotermiczne
moc użyteczna
sprawność cieplna
Opis:: A Stirling cycle was developed by Rallis considering the adiabatic behaviour instead of isothermal behaviour of working fluid inside the expansion/compression volume, since the isothermal processes are very difficult to be realised in actual practice due to irreversibilities. In order to increase the performance of Rallis Stirling cycle engine, two modified versions of Rallis Stirling cycle engine model have been proposed and developed, called as Rallis modified Stirling cycle engine (RMSE). In this paper, the thermodynamic analysis of the developed models have been carried out and the simulated results are compared with the Rallis ideal model of Stirling cycle engine, as this model describes more accurately the thermodynamic cycle of practical Stirling machines. The results reveal the fact that the thermal efficiency of RMSE I model is enhanced by 38.06% and that of RMSE II model by 48.42%, whereas the power output is increased by 58.05% and 78.19% in case of RMSE I and RMSE II model respectively, when compared with the Rallis ideal adiabatic model of Stirling engine.
Źródło:: Archives of Thermodynamics; 2019, 40, 2; 35-67
1231-0956
2083-6023
Pojawia się w:: Archives of Thermodynamics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Celowość doświadczalnego wyznaczania charakterystyk wentylatorów lutniowych
Usefulness of experimental determination of ventube fans characteristics
Autorzy:: Jedziniak, M.
Powiązania:: https://bibliotekanauki.pl/articles/199079.pdf
Data publikacji:: 2014
Wydawca:: Instytut Techniki Górniczej KOMAG
Tematy:: wentylator lutniowy
charakterystyka wentylatora
wydajność wentylatora
spiętrzenie całkowite wentylatora
badania wentylatorów
stanowisko badawcze
ventube fans
fan characteristics
fan output
total fan's ram effect
fan's testing
testing facility
Opis:: Omówiono charakterystyki ruchowe wentylatorów lutniowych wraz z określeniem parametrów nominalnych wentylatora oraz prawidłowej współpracy wentylatora z siecią wentylacyjną. Przedstawiono korzyści płynące z doświadczalnego wyznaczania charakterystyk i weryfikacji rzeczywistych parametrów wentylatora. Zaprezentowano możliwości badawcze ITG KOMAG w tym zakresie.
Operational characteristics of ventube fans, determination of nominal fan’s parameters as well as proper cooperation of fans with the ventilation system are discussed. Benefits from experimental determination of fan’s characteristics and from verification of real fan’s parameters are given. KOMAG’s testing infrastructure in this area is presented.
Źródło:: Maszyny Górnicze; 2014, 32, 2; 23-29
0209-3693
2450-9442
Pojawia się w:: Maszyny Górnicze
Dostawca treści:: Biblioteka Nauki

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